Comment insérer le code informatique sur HTML

<html>
  <head>
    <title>Computercode</title>
  </head>
  <body>
    <p>how to insert computer code to html<p>
    <!heres the computer code>
    <code>See the output</code><br><br>
    <!computer code ends here>
    
    <!however it you want to write html code inside html tag, then:>
    <code>&#8826 html &#8827</code>
  </body>
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